-58.4% is the change from 512 to 213
Calculation steps:
[( 213 - 512 ) ÷ 512] x 100 = -58.4%
Formula
Percentage change = [(213 - 512) / 512] x 100
Subtract the new number by the original number
213 - 512 = -299
-299 ÷ 512 = -0.583984375
-0.583984375 x 100 = -58.4%